loop0: detected capacity change from 0 to 32768
================================================================================
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2332:2
index 2000 is out of range for type 's64[128]' (aka 'long long[128]')
CPU: 0 PID: 4343 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Call trace:
 dump_backtrace+0x0/0x43c arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 ubsan_epilogue+0x14/0x48 lib/ubsan.c:151
 __ubsan_handle_out_of_bounds+0xd4/0x108 lib/ubsan.c:282
 dbAllocBits+0x874/0x8bc fs/jfs/jfs_dmap.c:2332
 dbAllocDmap fs/jfs/jfs_dmap.c:2109 [inline]
 dbAllocNear+0x25c/0x350 fs/jfs/jfs_dmap.c:1330
 dbAlloc+0x760/0x978 fs/jfs/jfs_dmap.c:847
 ea_get+0x704/0xf0c fs/jfs/xattr.c:516
 __jfs_setxattr+0x3dc/0xfe8 fs/jfs/xattr.c:727
 __jfs_set_acl+0x108/0x1a4 fs/jfs/acl.c:87
 jfs_set_acl+0x194/0x300 fs/jfs/acl.c:114
 set_posix_acl fs/posix_acl.c:947 [inline]
 posix_acl_xattr_set+0x2cc/0x378 fs/posix_acl.c:966
 __vfs_setxattr+0x388/0x3a4 fs/xattr.c:182
 __vfs_setxattr_noperm+0x120/0x564 fs/xattr.c:216
 __vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:277
 vfs_setxattr+0x158/0x2ac fs/xattr.c:303
 do_setxattr fs/xattr.c:588 [inline]
 setxattr+0x248/0x2ac fs/xattr.c:611
 path_setxattr+0x12c/0x25c fs/xattr.c:630
 __do_sys_lsetxattr fs/xattr.c:653 [inline]
 __se_sys_lsetxattr fs/xattr.c:649 [inline]
 __arm64_sys_lsetxattr+0xbc/0xd8 fs/xattr.c:649
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
================================================================================
JFS: metapage_get_blocks failed
ERROR: (device loop0): release_metapage: write_one_page() failed

ERROR: (device loop0): remounting filesystem as read-only